diff --git a/README.rst b/README.rst
index 22b8b1a..7860bdf 100644
--- a/README.rst
+++ b/README.rst
@@ -771,6 +771,14 @@
           - timeout: 2
           - attempts: 2
 
+**setting custom TX queue length for tap interfaces**
+
+.. code-block:: yaml
+
+    linux:
+      network:
+        tap_custom_txqueuelen: 10000
+
 DPDK OVS interfaces
 --------------------